42441317 has 2 divisors, whose sum is σ = 42441318. Its totient is φ = 42441316.

The previous prime is 42441313. The next prime is 42441319. The reversal of 42441317 is 71314424.

42441317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39513796 + 2927521 = 6286^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 42441317 - 2² = 42441313 is a prime.

Together with 42441319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42441313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220658 + 21220659.

It is an arithmetic number, because the mean of its divisors is an integer number (21220659).

Almost surely, 2^42441317 is an apocalyptic number.

It is an amenable number.

42441317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441317 is an equidigital number, since it uses as much as digits as its factorization.

42441317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 42441317 is about 6514.7000698420. The cubic root of 42441317 is about 348.8159088017.

The spelling of 42441317 in words is "forty-two million, four hundred forty-one thousand, three hundred seventeen".